#4BB9D9#4BB9D9

#4BB9D9 is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.5% C 0.109 H 220.5°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#4BB9D9
RGB	rgb(75, 185, 217)
HSL	hsl(194, 65%, 57%)
HSV	hsv(194, 65%, 85%)
CMYK	cmyk(65.4%, 14.7%, 0%, 14.9%)
CIE-LAB	lab(70.32, -21.45, -25.31)
CIE-LCH	lch(70.32, 33.17, 229.72°)
OKLab	oklab(73.55% -0.0827 -0.0705)
OKLCH	oklch(73.55% 0.109 220.5)
XYZ	xyz(32.7699, 41.2000, 71.8576)
Luminance	0.4120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB9D9 #D96B4B

analogous

#4BD9B2 #4BB9D9 #4B72D9

triadic

#4BB9D9 #D94BB9 #B9D94B

tetradic

#4BB9D9 #B24BD9 #D96B4B #72D94B

square

#4BB9D9 #B24BD9 #D96B4B #72D94B

split-complementary

#4BB9D9 #D94B72 #D9B24B

monochromatic

#1E738C #289DBF #4BB9D9 #7ECDE4 #B0E0EE

Accessibility & contrast

On white

2.27

#4BB9D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#4BB9D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB9D9

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB9D9	#FFFFFF	#000000	##000000
##4BB9D9	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B4DB

Deuteranopia (green-blind)

#91A6D9

Tritanopia (blue-blind)

#00C3C3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #4bb9d9;
/* rgb */ color: rgb(75, 185, 217);
/* oklch */ color: oklch(73.5% 0.109 220.5);

Tailwind

colors: {
  custom: {
    50: '#8dcee4',
    500: '#4bb9d9',
    950: '#000000',
  },
}

SCSS

$custom: #4bb9d9;
$custom-light: #8dcee4;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb9d9",
  "rgb": {
    "r": 75,
    "g": 185,
    "b": 217
  },
  "hsl": {
    "h": 193.521,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.73546,
    "c": 0.10868,
    "h": 220.5
  },
  "luminance": 0.41204
}

Semantic roles & 50–950 ramp

primary

#4BB9D9

secondary

#DDB0A3

accent

#6640E8

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB9D9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →